Spiral chute



FIG. 1 is a front perspective view of a spiral chute showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevation view thereof; and

FIG. 4 is a front elevation view thereof.

The brake lines shown in FIGS. 1, 3 and 4 indicate indeterminate length of the spiral chute. 

The ornamental design for a spiral chute, substantially as shown and described. 